{
"question": [
{
"no": 1,
"question_text": "how many keys are on a standard computer keyboard?",
"answer": "104",
"options": [
{
"option": "106"
},
{
"option": "104"
},
{
"option": "105"
},
{
"option": "108"
}
]
},
{
"no": 2,
"question_text": "In which planet we live?",
"answer": "Earth",
"options": [
{
"option": "Mars"
},
{
"option": "Jupiter"
},
{
"option": "Earth"
},
{
"option": "Saturn"
}
]
},
{
"no": 3,
"question_text": "Which is the recent novel released by Chethan Bhagat? ",
"answer": "What young India wants",
"options": [
{
"option": "Revolution 2020"
},
{
"option": "What young India wants"
},
{
"option": "Three mistakes of my Life"
},
{
"option": "One night at call center"
}
]
},
{
"no": 4,
"question_text": "Which among these is the smallest state in India?",
"answer": "Goa",
"options": [
{
"option": "Nagaland"
},
{
"option": "Goa"
},
{
"option": "Orisaa"
},
{
"option": "Kerala"
}
]
},
{
"no": 5,
"question_text": "Lunar Eclipse occurs on?",
"answer": "A full moon Day",
"options": [
{
"option": "A new moon Day"
},
{
"option": "A half moon Day"
},
{
"option": "A full moon Day"
},
{
"option": "Both a and b"
}
]
}
]
}
这是我的代码，首先我想得到第一个问题和相关的值，如选项、答案。我搜索了它，但我没有得到任何与我的问题相关的解决方案。请帮我
private class DetailsTask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
Log.i(TAG, "Inside onPreExecute");
if (!progress_dialog.isShowing())
progress_dialog.show();
}
@Override
protected void onPostExecute(String result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
if (progress_dialog.isShowing())
progress_dialog.dismiss();
Log.i(TAG, "Inside onPostExecute");
JSONObject json, data, value = null;
JSONArray questions_array;
// getting JSON string from context
json = parser.getJSONFromUrl(context);
Log.i(TAG, "" + json.toString());
try {
questions_array = json.getJSONArray(TAG_QUESTION_ARRAY);
for (int i = 0; i < questions_array.length(); i++) {
data = questions_array.getJSONObject(i);
String question_text = data.getString(TAG_QUESTION);
model.setQuestion(question_text);
int question_num = data.getInt(TAG_QUESTION_NO);
model.setQuestion_number(question_num);
String answer = data.getString(TAG_ANSWER);
model.setRight_answer(answer);
// options is again an array
JSONArray q_options = data.getJSONArray(TAG_OPTIONS_ARRAY);
for (int j = 0; j < q_options.length(); j++) {
value = q_options.getJSONObject(j);
}
String option = value.getString(TAG_OPTION);
question.setText(model.getOption());
question_number.setText(model.getQuestion_number());
//Here i want to set 4 options to 4 different textviews
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}
private class ClickListener implements View.OnClickListener {
@Override
public void onClick(View view) {
// TODO Auto-generated method stub
if (view instanceof Button) {
Button temp = (Button) view;
id = temp.getId();
} else {
TextView temp = (TextView) view;
id = temp.getId();
Log.i(TAG, "value of id:" + id);
currenttext = ((TextView) view).getText().toString();
Log.i(TAG, "value of string:" + currenttext);
}
switch (id) {
case R.id.button_next:
Toast.makeText(context, "Next pressed", Toast.LENGTH_SHORT)
.show();
int qu = model.getQuestion_number();
int new_qn = qu + 1;
Log.i(TAG, "qqqqqqqqnnnn:::----" + new_qn);
// set values for question number
break;
case R.id.button_previous:
Toast.makeText(context, "Previous pressed", Toast.LENGTH_SHORT)
.show();
int qu1 = model.getQuestion_number();
int new_qn1 = qu1 - 1;
Log.i(TAG, "qqqqqqqqnnnn:::----" + new_qn1);
break;
case R.id.first_option:
getScore();
break;
case R.id.second_option:
getScore();
break;
case R.id.third_option:
getScore();
break;
case R.id.fourth_option:
getScore();
break;
}
}
}
}
我想将这些选项值设置为 4 个不同的文本视图，并且当用户单击任何文本视图（可单击）时，我想显示下一个问题及其相关选项，但不知道如何解析这个“选项”JSONArray